.container-nav {
    padding: 0 16%;

    .toc {
        position: fixed;
        right: 100px;
        top: 183px;
        height: 468px;
        overflow: auto;
        padding: 4px 12px 0px;

        &::-webkit-scrollbar {
            width: 2px;
        }
        &::-webkit-scrollbar-thumb {
            background-color: $gray-200;
        }

        li {
            width: 84px;
            height: 36px;
            line-height: 28px;
            list-style: none;
            border-radius: 8px;
            margin: 6px 0;
            border-style: double;
            border-color: $gray-white-800;
            box-sizing: border-box;
            overflow: hidden;
            transition: 0.2s all linear;

            em {
                color: #666;
            }

            a {
                display: block;
                padding: 4px 8px;
                transition: 0.1s all linear;
                color: #666;

                &:hover {
                    padding-left: 28px;
                    background: $gray-white-500;

                    em {
                        opacity: 0;
                    }
                }
            }
        }
    }

    h2 {
        font-size: 16px;
        color: $gray-500;
        font-weight: 400;

        &::before {
            content: '';
        }
    }

    .content-nav {
        .nav {
            ul {
                display: flex;
                flex-wrap: wrap;
                padding: 0;

                li {
                    box-sizing: border-box;
                    list-style-type: none;
                    width: 20%;
                    margin: 4px 0;
                    a {
                        box-sizing: border-box;
                        font-family: $font-family--base;
                        font-size: 16px;
                        transition: 0.3s padding linear;
                        display: inline-block;
                        width: 96%;
                        height: 36px;
                        line-height: 36px;
                        font-weight: 400;
                        padding: 2px 6px;
                        background: $gray-white-500;
                        border-radius: 1px 5px 1px 5px;
                        white-space: nowrap;
                        &:hover {
                            padding-left: 12px;
                            background-color: $white-500;
                        }
                    }
                }
            }
        }

        p {
            color: $gray-500;
            margin-right: 1%;
            padding: 8px 4px 2px;
        }

        .bookmark {
            ul {
                padding: 4px;
                overflow: hidden;
                white-space: nowrap;

                &:hover {
                    overflow: auto;
                }

                li {
                    list-style-type: none;
                    transition: 0.3s padding linear;
                    border-radius: 1px 5px 1px 5px;
                    padding-left: 4px;

                    &::before {
                        content: '➣ ';
                    }
                    &:hover {
                        padding-left: 16px;
                    }

                    a {
                        display: inline-block;
                        width: 100%;
                        padding: 6px 0;
                    }

                    &:nth-child(even) {
                        background: $gray-white-600;
                    }
                }
            }
        }
    }
}
